LPS-35942 Optimize breadcrumb for User Administration

Add the breadcrumb within the portlet (always, since this portlet cannot be placed in a page). Move the invocations to addPortletBreadcrumbEntry to the top so that it's invoked before the taglib invocation.
LPS-35942 Optimize breadcrumb for User Administration

The actions, breadcrumb entries and headers must be consistent.
LPS-35942 Optimize breadcrumb for User Administration

Show the parent of the organization being added.
LPS-35942 Optimize breadcrumb for User Administration

Show in the breadcrumb the path to the organization the user belongs. But only if he belongs to only one organization (which is probably the most common case), because otherwise it could create confusion.
LPS-35942 SF
LPS-35942 Lang keys